New Shaft Assemblies Used For Forward And Reverse Clutch And Stronger Nipple Used At Oil Pump{3302,3306,3307,3310,3314}
Usage:
Twin Disc 514 Marine Gears
Description of Change: Induction hardened shaft assemblies for the forward and reverse clutch are now used to prevent possible damage to the clutch hub.
Also, a stronger nipple is used to connect the suction line to the oil pump. Vibration in some installations can cause failure of the former nipple.
Adaptable As: Direct replacement.
Caterpillar Information System:
1977/04/11 Improved Mounting For Expansion Tank{1354,1379,1380}
1977/04/11 New Retainer And Improved Housing Keep Water Pump Bearing Tight; Repair For Loosened Bearing{1361}
1977/03/21 New Spring Used In Fuel Ratio Control{1278}
1977/03/07 Cooling System Orifice Changed For Better Flow Control And Air Removal{1380}
1977/03/07 Use Insert To Repair Bearing Seat In Water Pump Housing{1361}
1977/03/07 Drains In New Fuel Injection Pump Housing And Governor Housing Prevent Possible Corrosion And Freezing Damage{1286}
1977/03/07 Improved Shut-Off Solenoids For Engines Equipped With Sleeve Metering Fuel Systems{1259}
1977/03/07 Relief Valve Added To Lubrication And Testing Group For Sealed And Lubricated Track{0651,0671,4175}
1977/02/28 Changes To Retainer Nut Torque And Assembly Procedures For Turbocharger Compressor Wheels{0374,1052}
1977/02/28 Improved Exhaust Valve Now Available{1105}
1977/02/28 Lock Now Available For Connecting Rod Bolt Used In TU-FL0501 Air Compressor{1065}
1977/02/28 Clip Now Used To Hold Coolant Line For The Turbocharger{1052,1380}
1977/04/11 New Diaphragm Used In Brakesaver Control Valve{1159}
1977/04/18 Tools To Remove Wear Sleeves From Crankshafts{0621,7558}
1977/04/18 New Crankshaft Front Seal And Wear Sleeve Permit Crankshafts With Seal Wear To Be Used Again{1151,1160}
1977/04/18 Stronger Material Used In Undersize Connecting Rod Bearings{1219}
1977/04/18 Gasket For Water Temperature Regulator Now Has Larger Vent Passage{1355,7555}
1977/04/18 Guide Assembly For Dipstick (Oil Level Gauge) Now Has Thicker Walls{1300}
1977/04/25 Alternator Groups With Slower Drive RPM Used Again{1205,1405}
1977/04/25 New Piston Pin Bearing Used In Connecting Rod Assembly{1218}
1977/04/25 New Oversize Connecting Rod Bearings Have Improved Design And Material{1219}
1977/04/25 Improved 5P3000 Engine And Transmission Shipping Stand Assembly; Modification Available For Stands Already In Use{0640}
1977/04/25 Revision Of Engine Data Sheet Gives Important Information On Single-Bearing Generators Assembled To Cat Engines{1156,4450,0354}
1977/04/25 New Socket Assembly To Tighten The Bolts That Fasten The Sleeve Levers To The Sleeve Shaft{0621,1250}